diff --git a/board/freescale/imxrt1020-evk/imxrt1020-evk.c b/board/freescale/imxrt1020-evk/imxrt1020-evk.c
index 54a733b12c..785da604b9 100644
--- a/board/freescale/imxrt1020-evk/imxrt1020-evk.c
+++ b/board/freescale/imxrt1020-evk/imxrt1020-evk.c
@@ -13,6 +13,7 @@
 #include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/armv7m.h>
+#include <serial.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/board/freescale/imxrt1050-evk/imxrt1050-evk.c b/board/freescale/imxrt1050-evk/imxrt1050-evk.c
index 6132916578..4b82ee5e9c 100644
--- a/board/freescale/imxrt1050-evk/imxrt1050-evk.c
+++ b/board/freescale/imxrt1050-evk/imxrt1050-evk.c
@@ -13,6 +13,7 @@
 #include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/armv7m.h>
+#include <serial.h>
 
 DECLARE_GLOBAL_DATA_PTR;